Page 105 of 372

When the Light is On Steady
This indicates that one or more of the
tires are significantly underinflated.
A tire pressure message in the
Driver Information Center (DIC),
can accompany the light. SeeTire
Messages on page 4-36for more
information. Stop and check the tires
as soon as it is safe to do so.
If underinflated, inflate to the proper
pressure. SeeTire Pressure on
page 9-54for more information.
When the Light Flashes First and
Then is On Steady
This indicates that there may be a
problem with the Tire Pressure
Monitor System. The light flashes
for about a minute and stays
on steady for the remainder of the
ignition cycle. This sequence
repeats with every ignition cycle.
SeeTire Pressure Monitor
Operation on page 9-57for more
information.Engine Oil Pressure
Light
{WARNING
Do not keep driving if the oil
pressure is low. The engine can
become so hot that it catches fire.
Someone could be burned. Check
the oil as soon as possible and
have the vehicle serviced.
Notice:Lack of proper engine oil
maintenance can damage the
engine. The repairs would not be
covered by the vehicle warranty.
Always follow the maintenance
schedule in this manual for
changing engine oil.The oil pressure light should
come on briefly as the engine is
started. If it does not come on
have the vehicle serviced by your
dealer/retailer.
If the light comes on and stays on,
it means that oil is not flowing
through the engine properly.
The vehicle could be low on oil and
might have some other system
problem. See your dealer/retailer.
Instruments and Controls 4-25
Page 106 of 372

Immobilizer Light
The immobilizer light should come
on briefly as the engine is started.
If it does not come on have the
vehicle serviced by your dealer/
retailer. If the system is working
normally the indicator light will go off.
This light comes on when the
ignition is turned from OFF to ON
and stays on if the vehicle is
immobilized. This happens when an
incorrect key or an unprogrammed
key is used to start the vehicle.
If the light stays on and the engine
does not start, there could be a
problem with the theft-deterrent
system. SeeImmobilizer Operation
on page 1-11for more information.
Fog Lamp Light
The fog lamp light comes on when
the fog lamps are in use.
The light goes out when the fog
lamps are turned off. SeeFront
Fog Lamps on page 5-5for more
information.
Taillamp Indicator Light
This light comes on when the
taillamps are on.
Cruise Control Light
This light is white when the cruise
control is set and will be green when
the system is active.
The light goes out when the cruise
control is turned off. SeeCruise
Control on page 8-38for more
information.
4-26 Instruments and Controls
Page 107 of 372

Information Displays
Driver Information
Center (DIC)
The vehicle may have a Driver
Information Center (DIC). The DIC
displays information about your
vehicle. It also displays warning
messages if a system problem is
detected. SeeVehicle Messages on
page 4-37for more information.
All messages appear in the
DIC display located in the center
of the instrument panel cluster.
The vehicle may also have features
that can be customized through the
controls on the radio. SeeVehicle
Personalization on page 4-38
for more information.
DIC Operation and Displays
The DIC has different displays
which can be accessed by using
the DIC buttons located on the
turn signal lever located on the
left side of the steering wheel.
The DIC displays trip, fuel, vehicle
system information, and warning
messages if a system problem
is detected.
The bottom of the DIC display shows
what position the shift lever is in
(Automatic Transmission Only),
the odometer, and the direction the
vehicle is driving.DIC Buttons
MENU:Press this button to get to
the Trip/Fuel Menu and the Vehicle
Information Menu.
wx(Thumbwheel):Use the
thumbwheel to scroll through the
items in each menu.
SET (Set/Clear):Use this button to
set or clear the menu item when
it is displayed.
Instruments and Controls 4-27
Page 108 of 372

Trip/Fuel Menu Items
Press the MENU button on the
turn signal lever until Trip/Fuel
Information Menu is displayed.
Use the thumbwheel to scroll
through the following menu items:
•Digital Speedometer
•Trip 1
•Trip 2
•Fuel Range
•Average Fuel Economy
•Average Vehicle Speed
•OnStar Turn by Turn
•Blank
Digital Speedometer
The speedometer shows how fast
the vehicle is moving in either miles
per hour (mph) or kilometers per
hour (km/h). The speedometer
cannot be reset.Trip 1 and Trip 2
The Trip display shows the current
distance traveled, in either miles (mi)
or kilometers (km), since the last
reset for the trip odometer. The trip
odometer can be reset to zero by
pressing the trip reset stem or the
SET button while the trip odometer
display is showing.
Fuel Range
The Fuel Range display shows the
approximate distance the vehicle
can be driven without refueling.
The fuel range estimate is based on
an average of the vehicle’s fuel
economy over recent driving history
and the amount of fuel remaining
in the fuel tank. Fuel range cannot
be reset.Average Fuel Economy
The Average Fuel Economy display
shows the approximate average
miles per gallon (mpg) or liters
per 100 kilometers (L/100 km).
This number is calculated based on
the number of mpg (L/100 km)
recorded since the last time this
menu item was reset. The fuel
economy can be reset by pressing
the SET button while the Average
Fuel Economy display is showing.
Average Vehicle Speed
The Average Vehicle Speed display
shows the average speed of the
vehicle in miles per hour (mph)
or kilometers per hour (km/h).
This average is calculated based on
the various vehicle speeds recorded
since the last reset of this value.
The average speed can be reset by
pressing the SET button while the
Average Vehicle Speed display is
showing.
4-28 Instruments and Controls
Page 109 of 372

OnStar Turn by Turn
This display is used for the OnStar
Turn by Turn guidance. SeeOnStar
®
System on page 4-42for more
information.
Blank Display
This display shows no information.
Vehicle Information
Menu Items
Press the MENU button on the
turn signal lever until Vehicle
Information Menu is displayed.
Use the thumbwheel to scroll
through the following menu items:
•Unit
•Tire Pressure
•Remaining Oil Life
•Coolant Temp
•Battery Voltage
•Speed WarningUnit
Move the thumbwheel up or down to
switch between US or Metric when
the Unit display is active. Press SET
to confirm the setting. This will
change the displays on the cluster
and DIC to either English (US) or
metric measurements.
Tire Pressure
The display will show a vehicle with
the approximate pressures of all
four tires. Tire pressure is displayed
in either pounds per square
inch (psi) or in kilopascal (kPa).
SeeTire Pressure Monitor System
on page 9-56andTire Pressure
Monitor Operation on page 9-57
for more information.
Remaining Oil Life
This display shows an estimate
of the oil’s remaining useful life.
If Remaining Oil Life 99% is
displayed, that means 99% of
the current oil life remains.When the remaining oil life is low,
the CHANGE ENGINE OIL SOON
message will appear on the
display. SeeEngine Oil Messages
on page 4-32. The oil should
changed as soon as possible.
SeeEngine Oil on page 9-10.
In addition to the engine oil life
system monitoring the oil life,
additional maintenance is
recommended in the Maintenance
Schedule in this manual.
SeeScheduled Maintenance on
page 10-2for more information.
Remember, the Oil Life display
must be reset after each oil change.
It will not reset itself. Also, be
careful not to reset the Oil Life
display accidentally at any time
other than when the oil has
just been changed. It cannot be
reset accurately until the next
oil change. To reset the engine oil
life system press the SET button
while the Oil Life display is active.
SeeEngine Oil Life System on
page 9-13.
Instruments and Controls 4-29
Page 110 of 372

Coolant Temperature
This display shows the temperature
of the engine cooling system fluid in
either degrees Fahrenheit (°F) or
degrees Celsius (°C).
Battery Voltage
This display, available on some
vehicles, shows the current battery
voltage. If the voltage is in the
normal range, the value will display.
For example, the display may
read Battery Voltage 15.0 Volts.
The vehicle’s charging system
regulates voltage based on the
state of the battery. The battery
voltage can fluctuate while viewing
this information on the DIC.
This is normal. SeeCharging
System Light on page 4-19
for more information.If there is a problem with the battery
charging system, the DIC will
display a message. SeeBattery
Voltage and Charging Messages
on page 4-30.
Speed Warning
Speed Warning allows the driver to
set a speed that they do not want
to exceed. To set the Speed
Warning press SET when Speed
Warning is displayed.
Compass
The vehicle may have a compass
display in the Driver Information
Center (DIC). SeeCompass
on page 4-8for more information.
Vehicle Messages
Battery Voltage and
Charging Messages
Battery Saver Active
This message displays when the
vehicle has detected that the battery
voltage is dropping beyond a
reasonable point. The battery saver
system starts reducing certain
features of the vehicle that you may
be able to notice. At the point that
features are disabled, this message
is displayed. It means that the
vehicle is trying to save the charge in
the battery. Turn off unnecessary
accessories to allow the battery to
recharge.
4-30 Instruments and Controls
Page 111 of 372

Low Battery
This message is displayed when the
battery voltage is low. SeeBattery
on page 9-29for more information.
Service Battery Charging
System
This message is displayed when
there is a fault in the battery
charging system. Take the vehicle
to your dealer/retailer for service.
Brake System Messages
Brake Fluid Low
This message is displayed when the
brake fluid level is low, seeBrake
Fluid on page 9-28.
Release Parking Brake
This message is displayed as a
reminder that the parking brake is
on. Release it before you attempt
to drive.
Compass Messages
Service Compass
This message is displayed when the
compass needs service. Take the
vehicle to your dealer/retailer for
service.
Cruise Control Messages
Apply Brakes Before Cruise
If this message displays when
attempting to activate cruise control,
apply the brake and then try again.
Cruise Set to XXX
This message will display when the
cruise control is set and it will
show the speed it was set to.
SeeCruise Control on page 8-38
for more information.
Door Ajar Messages
Driver Door Open
This message will display when the
driver door is open. Close the door
completely.
Hood Open
This message will display when
the hood is open. Close the hood
completely.
Passenger Door Open
This message will display when the
passenger door is open. Close the
door completely.
Trunk Open
This message will display when
the trunk is open. Close the trunk
completely.
Instruments and Controls 4-31
Page 112 of 372

Engine Cooling System
Messages
A/C Off Due to High
Engine Temp
This message displays when the
engine coolant becomes hotter than
the normal operating temperature.
To avoid added strain on a hot
engine, the air conditioning
compressor automatically turns off.
When the coolant temperature
returns to normal, the air conditioning
compressor turns back on. You can
continue to drive your vehicle.
If this message continues to appear,
have the system repaired by your
dealer/retailer as soon as possible
to avoid damage to the engine.
Coolant Level Low Add
Coolant
This message will display if the
coolant is low, seeEngine Coolant
on page 9-19.
Engine Overheated — Idle
Engine
This message displays when the
engine coolant temperature is
too hot. Stop and allow the vehicle
to idle until it cools down.
Engine Overheated — Stop
Engine
This message displays and a
continuous chime sounds if the
engine cooling system reaches
unsafe temperatures for operation.
Stop and turn off the vehicle as
soon as it is safe to do so to avoid
severe damage. This message
clears when the engine has cooled
to a safe operating temperature.
High Coolant Temperature
This message displays if the coolant
temperature is hot, seeEngine
Overheating on page 9-24.
Engine Oil Messages
Change Engine Oil Soon
This message displays when the
engine oil needs to be changed.
When you change the engine oil,
be sure to reset the CHANGE
ENGINE OIL SOON message.
SeeEngine Oil Life System
on page 9-13andDriver Information
Center (DIC) on page 4-27for
information on how to reset
the message. SeeEngine Oil
on page 9-10andScheduled
Maintenance on page 10-2for
more information.
Engine Oil Hot, Idle Engine
This message displays when
the engine oil temperature is too
hot. Stop and allow the vehicle
to idle until it cools down.
Engine Oil Low – Add Oil
This message displays when
the engine oil level is too low.
Check the oil level. SeeEngine Oil
on page 9-10.
4-32 Instruments and Controls